What is the tree of life?
The tree of life shows how all life on earth is related. Each leaf represents a different species. The branches show how these many species evolved from common ancestors over billions of years. In our interactive tree of life you can explore the relationships between 2,235,362 species and wonder at 105,281 images on a single zoomable page.
- 2,235,362 species
- 105,281 images
Popular places to start exploring...
Biodiversity and Conservation...
We want to help everyone appreciate biodiversity and the need to conserve it.
Red leaves on our tree of life show species known to be under threat of extinction.
Become a sponsor...
OneZoom is a registered non-profit in the UK, all our products are for free. 472 people like you have helped us by making donations. Their names appear as sponsors on 784 leaves of our tree of life.
Only one name per leaf so get your favourite while you can, for yourself or as a gift.
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Sponsored byMartin Jackson — Bath, UK -
Sponsored forElliana Sylvia Stryker — from Dada/we LOVE pangolins!!! -
Sponsored byAllan Albig — Boise, ID. USA -
Sponsored byBegonha Vicario Delgado — Burgos, Spain -
Sponsored forGavin Hunt — from Natalie Uomini -
Sponsored forTheresa Redmond — Corraville, PE -
Sponsored byThe Homan-Smith family — New Zealand -
Sponsored forJasmine J Prat — From the fishes you protect -
Sponsored byBen Caesar — Galloway -
Sponsored forDr. Andrew J. Love -
Sponsored forKelley McDaniel — Happy Mother's Day -
Sponsored bydougal matthews -
Sponsored forHeather Williams — a great mom -
Sponsored forWilliam Pattrick — from Richard Dawkins -
Sponsored forNiko Tinbergen — in memoriam. From R Dawkins -
Sponsored forRowan Kennard — Happy Birthday from James -
Sponsored byFrançois Lallier — Station Biologique de Roscoff -
Sponsored byThe Fabrizio family — Broomfield, CO, USA -
Sponsored forAdriano Rutz — NP Data Liberator -
Sponsored forJess Ham — Loves Wytham Woods, Oxford UK
What we've been up to...
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16 October 2020
OneZoom version 3.4.1 released with new public APIs providing information on the popularity of species and representative images for groups of species as well as other tools intentended for use by researchers and other science communication projects.
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15 October 2020
A new publication, Dynamic visualisation of million-tip trees: the OneZoom project, is now live on BioRxiv describing a lot of the research that's gone on behind the scenes over the last five years to make OneZoom a reality.
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30 April 2020
Thank you to the first people who supported us with sponsorship four years ago. Your sponsored leaves would normally be up for renewal right now. We've decided to extend your sponsorships for free so you don't have to worry about it at this difficult time during a global pandemic. We will write to all our sponsors giving plenty of notice when it's time to renew.
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26 April 2020
Version 3.4 of OneZoom is launched with a new landing page and enhanced content across the whole site. We now have more prominent features for learning about biodiversity, taking conservation action, using screenshots and deploying an exhibit at public venues.
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28 September 2019
A new OneZoom museum exhibit is launched as part of Darwin and Dinosaurs at the Museum of Idaho. This coincides with the launch of OneZoom version 3.3.1 which features many enhancements to the musuem display code. Image used with kind permission from Darwin and Dinosaurs
